CN209656038U - A kind of differential hydrostatic level - Google Patents

Abstract

The utility model discloses a kind of differential hydrostatic levels, including at least two fluid reservoirs, one of them described fluid reservoir is benchmark fluid reservoir, another described fluid reservoir is measuring point fluid reservoir, each fluid reservoir is provided with one first cavity, and a hydraulic pressure sensor is provided in first cavity of each fluid reservoir, first cavity of each measuring point fluid reservoir is attached by first cavity of water service pipe and the benchmark fluid reservoir.Hydrostatic level using the utility model includes at least two fluid reservoirs, and a hydraulic pressure sensor is provided in each fluid reservoir, the range for changing hydrostatic level only needs to change different sensors, compared with traditional level, have the advantages that small in size, structure is simple and manufacturing cost is low；And the hydrostatic level can it is horizontal, obliquely or vertically install, mounting means does not influence its precision, and the requirement to using area is lower, and applied widely, property that the operation is simple and flexible is high.

Description

A kind of differential hydrostatic level

Technical field

The utility model relates to hydrostatic level technical field, in particular to a kind of differential hydrostatic level.

Background technique

Hydrostatic level is the general purpose transducer of the relative settlement for Fundamentals of Measurement and each measuring point of building, is used extensively In the Safety Monitoring Instruments of the engineering constructions body such as roadbed, ground, dam, bridge, tunnel.In use, in datum mark and measured point Corresponding hydrostatic level is set, and datum mark is placed in a stable horizontal basic point, when measuring point is gone up and down relative to datum mark When, the variation of each point pressure will be caused, by the variation of measurement sensor pressure, to calculate the liter of each measuring point relative level basic point Drop variation.Due to the diversity of application and the continuous improvement of detection requirement, to the range of monitoring instrument, precision, size, fit Should be able to power, degree of protection mounting means etc. also proposed increasingly higher demands；Therefore it improves instrument range, precision, adapt to energy Power, degree of protection, reduced equipment sizes reduce the direction that cost is product improvement development.Hydrostatic level system is generally mounted to On the contour survey pier of testee or be embedded in inside soil body monitoring point, generally use automated collection systems, by wired or Wireless telecommunications are connect with computer, to realize automatic observation, existing hydrostatic level is big with volume, structure is complicated, Range is small and the more demanding disadvantage of using area.

The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing Technology.

Utility model content

The purpose of this utility model is to provide a kind of differential hydrostatic levels, to overcome existing hydrostatic level The disadvantage that volume is big, structure is complicated, range is small and using area is more demanding.

To achieve the above object, the utility model provides a kind of differential hydrostatic level, including at least two liquid storages Tank, one of them described fluid reservoir are benchmark fluid reservoir, another described fluid reservoir is measuring point fluid reservoir, each fluid reservoir It is provided with one first cavity, and is provided with a hydraulic pressure sensor in first cavity of each fluid reservoir, it is each described First cavity of measuring point fluid reservoir is attached by first cavity of water service pipe and the benchmark fluid reservoir.

Preferably, in above-mentioned technical proposal, all fluid reservoirs are cascaded one by one by the water service pipe；Often There are two the outlet pass being connected to first cavity, one of them described outlet pass is water inlet for a fluid reservoir setting Mouthful, another described outlet pass is water outlet, the water outlet of the previous fluid reservoir by a water service pipe with The water inlet of fluid reservoir described in the latter is attached, the water inlet of first fluid reservoir and the last one institute The water outlet for stating fluid reservoir is provided with a closing device.

Preferably, in above-mentioned technical proposal, two outlet passes are set on the side wall of the fluid reservoir and left and right phase To distribution.

Preferably, in above-mentioned technical proposal, each fluid reservoir is set in a shell, and the shell is provided with Two each through-holes corresponding with the outlet pass.

Preferably, in above-mentioned technical proposal, the shell includes upper housing and bottom plate, and the upper housing is can dismantle Mode is installed on the bottom plate, and the upper housing is provided with the second cavity of a bottom opening, and the bottom plate is for covering The bottom opening of the second cavity is stated in residence, and the fluid reservoir is set in second cavity；Wherein, the through-hole is by described The bottom of the side wall of shell is recessed upwards to be formed.

Preferably, in above-mentioned technical proposal, the end of the water service pipe is a bindiny mechanism in a manner of it can dismantle It is attached with the outlet pass.

Preferably, in above-mentioned technical proposal, the bindiny mechanism includes the first external screw thread for being set to the outlet pass, sets The second external screw thread and one end for being placed in the water service pipe are engaged with first external screw thread, outside the other end and described second The collar nut that screw thread is engaged, and the first sealing ring is provided between the collar nut and the fluid reservoir.

Preferably, in above-mentioned technical proposal, the both ends winding of the water service pipe is spiral.

Preferably, in above-mentioned technical proposal, its described intracorporal installation of first chamber of a connection is provided on the fluid reservoir Hole, the hydraulic pressure sensor are installed on the fluid reservoir in a manner of it can dismantle the mounting hole.

Preferably, in above-mentioned technical proposal, the hydraulic pressure sensor includes sensor cap head and sensor probe, the biography Sensor probe is inserted into the fluid reservoir by the mounting hole, and the sensor cap head is set to the outer of the sensor probe End, and the outer end of the sensor probe is provided with third external screw thread, is provided in the mounting hole and the third external screw thread The internal screw thread matched, and the second sealing ring is provided between the mounting hole and the sensor cap head.

Compared with prior art, the utility model has the following beneficial effects:

1. the hydrostatic level of the utility model includes at least two fluid reservoirs, one of fluid reservoir is to be set to benchmark The benchmark fluid reservoir of point, another fluid reservoir is the measuring point fluid reservoir for being set to tested point, and a water is provided in each fluid reservoir Pressure sensor, each measuring point fluid reservoir are attached with benchmark fluid reservoir by water service pipe, when measuring point fluid reservoir is relative to benchmark When fluid reservoir is gone up and down, the variation of hydraulic pressure in tank will be caused, by the variation of measurement sensor pressure, to calculate each measuring point phase To the lifting amount of datum mark；The range of the hydrostatic level increases with the increase of hydraulic pressure sensor range, changes its range only Different sensors need to be used；The volume of fluid reservoir can be designed as needed, i.e., volume is able to carry out micromation and sets Meter, to reduce the volume of hydrostatic level；The number of parts of the hydrostatic level greatly reduces, and structure is simple, manufacturing cost It is low, and the hydrostatic level can it is horizontal, obliquely or vertically install, mounting means does not influence its precision, wants to using area Ask lower, applied widely, property that the operation is simple and flexible is high.

2. each fluid reservoir setting of the utility model is there are two outlet pass, one of outlet pass is water inlet, another A outlet pass is water outlet, and when from water inlet to fluid reservoir tank liquid, the air in tank can be discharged from water outlet, up to liquid from Water outlet overflows, conducive to liquid is filled into fluid reservoir.

3. each fluid reservoir of the utility model is set in a shell, so that fluid reservoir prevents not by external force Fluid reservoir compressive deformation is to generate pressure error, to achieve the purpose that reduce measurement error.

4. the both ends winding of the water service pipe of the utility model is spiral, in use, passing through water flowing between two fluid reservoirs Pipe is attached, and the both ends of water service pipe are arranged to flexible sped structure, is conveniently adjusted between two fluid reservoirs Distance.

Detailed description of the invention

Fig. 1 is the agent structure schematic diagram of differential hydrostatic level according to the present utility model.

Fig. 2 is the schematic top plan view of the internal structure of differential hydrostatic level according to the present utility model.

Fig. 3 is the schematic front view of fluid reservoir according to the present utility model.

Fig. 4 is the left view schematic diagram of shell according to the present utility model.

Fig. 5 is the schematic top plan view of shell according to the present utility model.

Fig. 6 is the structural schematic diagram of hydraulic pressure sensor according to the present utility model.

Fig. 7 is the structural schematic diagram of water service pipe according to the present utility model.

Fig. 8 is the structural schematic diagram that differential hydrostatic level according to the present utility model is provided with closing device.

Main appended drawing reference explanation:

1- shell, 101- upper housing, 102- bottom plate, 103- screw, 104- through-hole, the second cavity of 105-, 2- water service pipe, The second external screw thread of 201-, 3- fluid reservoir, the first cavity of 301-, 302- outlet pass, 303- mounting hole, the first external screw thread of 304-, 4- Collar nut, 5- cable, the first sealing ring of 6-, 7- hydraulic pressure sensor, 701- sensor cap head, 702- third external screw thread, 703- Sensor probe, 8- fixed card buckle, the second sealing ring of 9-, 10- closing device.

Specific embodiment

With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical Novel protection scope is not limited by the specific implementation.

Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members Part or other component parts.

Fig. 1 to Fig. 8 shows a kind of structure of differential hydrostatic level according to the preferred embodiments of the present invention Schematic diagram, the hydrostatic level include at least two fluid reservoirs 3.Referring to figs. 1 to Fig. 3, in two fluid reservoirs 3, one of storage Flow container 3 is the benchmark fluid reservoir being set on datum mark, another fluid reservoir 3 is the measuring point fluid reservoir being set on tested point, Each fluid reservoir 3 is provided with one first cavity 301, and is provided with a hydraulic pressure sensor in the first cavity 301 of each fluid reservoir 3 7, to detect the hydraulic pressure of liquid in each fluid reservoir 3, the first cavity 301 of each measuring point fluid reservoir passes through water service pipe 2 and benchmark First cavity 301 of fluid reservoir is attached, and when measuring point fluid reservoir is gone up and down relative to benchmark fluid reservoir, will be caused in tank The variation of hydraulic pressure, by the variation of measurement sensor pressure, to calculate the lifting amount of each measuring point relative datum point.The static level The range of instrument increases with the increase of 7 range of hydraulic pressure sensor, changes range and only needs to change different sensors；Fluid reservoir 3 volume can be designed as needed, i.e., volume is able to carry out miniaturized design, to reduce the volume of hydrostatic level； Compared with traditional level, which greatly reduces, and part complexity significantly simplifies, structure letter Single, manufacturing cost is low；And the hydrostatic level can it is horizontal, obliquely or vertically place, mounting means does not influence its precision, to making Lower with the requirement in place, applied widely, property that the operation is simple and flexible is high.

It continues to refer to figure 1 to Fig. 3 and Fig. 8, it is preferable that all fluid reservoirs 3 are cascaded one by one by water service pipe 2； There are two the outlet pass 302 being connected to the first cavity 301, one of outlet pass 302 is water inlet for each setting of fluid reservoir 3 Mouthful, another outlet pass 302 is water outlet, and when from water inlet to 3 tank liquid of fluid reservoir, the air in tank can be arranged from water outlet Out, until liquid is overflowed from water outlet, conducive to liquid is filled into fluid reservoir 3, the water outlet of previous fluid reservoir 3 passes through The water inlet of one water service pipe 2 and the latter fluid reservoir 3 is attached, the water inlet of first fluid reservoir 3 and the last one storage The water outlet of flow container 3 is provided with a closing device 10, i.e., all fluid reservoirs 3 are successively connected by 2 head and the tail of water service pipe, Convenient for measuring each measuring point fluid reservoir relative to benchmark fluid reservoir pressure change, to measure each tested point relative to datum mark Lifting amount.Wherein, closing device 10 can be the cone rubber plug matched with outlet pass 302, or to be set in outlet pass 302 The sealed piece in outside, the sealed piece are recessed with connecting hole corresponding with outlet pass 302, are provided in the connecting hole and outlet pass The 302 mutually matched internal screw thread of the first external screw thread 304, so that being set on outlet pass 302 of can fastening of sealed piece, prevents Water outflow in fluid reservoir 3, in order to improve the switching performance of closing device 10, closing device 10 and outlet pass 302 use screw thread Connection, the i.e. closing device 10 are sealed piece structure.

Referring to figs. 1 to Fig. 3, two outlet passes 302 of fluid reservoir 3 may be disposed at the top of fluid reservoir 3, may also set up in storage On the side wall of flow container 3, the top of fluid reservoir 3 can be set to an outlet pass 302, another is set to the side of fluid reservoir 3 Wall.Preferably, for the ease of the layout of water service pipe 2, and the air into 3 inner canister liquid of fluid reservoir and drain tank, two water flowings Mouth 302 is set on the side wall of fluid reservoir 3 and left and right Relative distribution.

With reference to Fig. 1, Fig. 4 and Fig. 5, it is preferable that each fluid reservoir 3 of the hydrostatic level is set in a shell 1, with Fluid reservoir 3 is set by external force, not prevent 3 compressive deformation of fluid reservoir from generating pressure error, to reduce measurement error, and shell There are two respectively through-hole 104 corresponding with an outlet pass 302, water service pipes 2 to extend to shell 1 by corresponding through-hole 104 for 1 setting Outside, convenient for being attached with another fluid reservoir 3.Wherein, the cross section of shell 1 and fluid reservoir 3 in the horizontal direction can be The various shapes such as round, ellipse or regular polygon, for the ease of injecting liquid side by side in the first cavity 301 to fluid reservoir 3 Intracavitary air out, and be installed in shell 1 convenient for fluid reservoir 33, shell 1 and fluid reservoir 3 are cylindrical, and the first cavity 301 It is also cylindrical with the second cavity 105.In order to improve the intensity of shell 1 and fluid reservoir 3, shell 1 and fluid reservoir 3 are by alloy material It is made, for alloy material preferably with aluminium alloy, weight is small, and intensity is high.

With reference to Fig. 4 and Fig. 5, it is preferable that shell 1 includes upper housing 101 and bottom plate 102, and upper housing 101 is can dismantle Mode is installed on bottom plate 102, and upper housing 101 is provided with the second cavity 105 of a bottom opening, and bottom plate 102 is for covering The firmly bottom opening of the second cavity 105, so that the opening of the bottom of the second cavity 105, liquid storage can be opened and be closed to bottom plate 102 Tank 3 is set in the second cavity 105, convenient for the installation and maintenance of fluid reservoir 3.It wherein, can between upper housing 101 and bottom plate 102 It is attached by the way of buckle and card slot, screw thread can also be used and be fastenedly connected, in order to improve upper housing 101 and bottom plate Switching performance between 102 is attached between upper housing 101 and bottom plate 102 using screw 103, the side wall of upper housing 101 Bottom convex is equipped with a connection side, and the connection side is annular in shape, and the circumferential direction on the connection side uniformly offers several A vertical tapped through hole also offers the one-to-one screw thread of several tapped through holes with upper housing 101 on bottom plate 102 Hole, and two corresponding tapped through holes and threaded hole are separately connected with screw 103.With reference to Fig. 4, the two of the side wall of shell 1 A through-hole 104 by the side wall of upper housing 101 bottom it is recessed upwards form because the both ends of water service pipe 2 are standing interconnecting piece Part, and the volume of connecting component is bigger, for the ease of the installation of water service pipe 2, through-hole 104 by upper housing 101 side wall Bottom is recessed upwards to be formed, and when installation, the pipe shaft of water service pipe 2 is only needed to be directed at the through-hole 104 of upper housing 101.

Referring to figs. 1 to Fig. 3 and Fig. 7, it is preferable that the end of water service pipe 2 is a bindiny mechanism in a manner of it can dismantle It is attached with outlet pass 302, convenient for the dismounting of water service pipe 2, i.e., can be used and be threadedly coupled between water service pipe 2 and outlet pass 302 Or flanged joint.In order to improve the switching performance of the two, it is attached, that is, is connected using screw thread between water service pipe 2 and outlet pass 302 Connection mechanism includes the first external screw thread 304 for being set to outlet pass 302, the second external screw thread 201 for being set to water service pipe 2 and one end It is engaged with the first external screw thread 304, the collar nut 4 that the other end and the second external screw thread 201 are engaged, and collar nut 4 It is provided with the first sealing ring 6, between fluid reservoir 3 to improve the switching performance of collar nut 4.Wherein, the both ends volume of water service pipe 2 Coiled, in use, being attached between the outlet pass 302 of two fluid reservoirs 3 by water service pipe 2, by the two of water service pipe 2 End winding is spiral, the distance between two fluid reservoirs 3 is conveniently adjusted, to adapt to the distance between two fluid reservoirs 3 and height The variation of degree.

Referring to figs. 1 to Fig. 3 and Fig. 6, it is preferable that the installation being provided on fluid reservoir 3 in its first cavity 301 of a connection Hole 303, hydraulic pressure sensor 7 are installed on fluid reservoir 3 in a manner of it can dismantle mounting hole 303, in order to replace difference The hydraulic pressure sensor 7 of range, to adjust the range of hydrostatic level.Hydraulic pressure sensor 7 includes sensor cap head 701 and sensing Device probe 703, sensor probe 703 is by the way that in insertion fluid reservoir 3, to detect the pressure of pot liquid, sensor cap head 701 is set It is placed in the outer end of sensor probe 703 and is located at the outside of sensor, and the outer end of sensor probe 703 is provided with the outer spiral shell of third Line 702 is provided with the internal screw thread matched with third external screw thread 702 in mounting hole 303, by sensor and mounting hole 303 into Row is fastenedly connected, and the second sealing ring 9 is provided between mounting hole 303 and sensor cap head 701, prevents the liquid of fluid reservoir 3 It is flowed out by the gap between mounting hole 303 and sensor.Wherein, mounting hole 303 may be disposed at the top of fluid reservoir 3, can also It is set on the side wall of fluid reservoir 3, preferably mounting hole 303 is set to the situation on the side wall of fluid reservoir 3, and mounting hole 303 Between two outlet passes 302；The cable 5 of sensor stretches out the outside of shell 1 by the through-hole 104 of shell 1, is convenient for and outside Equipment is attached, and cable 5 is fixed on the outer surface of fluid reservoir 3 by fixed card buckle 8, convenient for the wiring of cable 5, cable 5 Arrangement in the outside of shell 11 is identical as water service pipe 2.

In use, on-site assembly fluid reservoir 3 and tank liquid, the fluid reservoir 3 of needs is determined according to tested point number and distance Quantity, wherein datum mark arranges that a fluid reservoir 3, each tested point respectively arrange a fluid reservoir 3, and will using water service pipe 2 Each fluid reservoir 3 is sequentially connected in series connection integrally, forms measuring system, wherein first fluid reservoir 3 and the last one fluid reservoir 3 only one equal outlet pass 302 are connected with water service pipe 2, by all fluid reservoirs 3 successively along from left to right by side from low to high Formula setting, and each fluid reservoir 3 is also obliquely installed, so that the axis of the outlet pass 302 of the left and right sides of each fluid reservoir 3 also edge It inclination or is vertically arranged up and down upwards from left to right, so that fluid reservoir 3 is in tank liquid, it can be outside by the air in fluid reservoir 3 Discharge；Liquid filling is slowly carried out from the outlet pass 302 of the fluid reservoir 3 of minimum point, until liquid is from the fluid reservoir 3 of extreme higher position Outlet pass 302 overflows, and is at this time sealed the outlet pass 302 of the fluid reservoir 3 of extreme higher position with closing device 10；To own again Fluid reservoir 3 height it is oppositely arranged, i.e., all fluid reservoirs 3 are successively arranged in the way of from high to low from left to right, it Anteposition now becomes highest point in the fluid reservoir 3 of minimum point, and liquid is filled to the outlet pass 302 of the fluid reservoir 3 for being located at highest point, It is connected and sealed again with closing device 10, at this point, entire measuring system is in the sealing state of full liquid；To each fluid reservoir 3 Each device is placed on corresponding datum mark and tested point after being installed by assembling shell 1 with protecting to fluid reservoir 3, Wherein, the position of the fluid reservoir 3 of datum mark needs the position of the fluid reservoir 3 higher than all tested points, by each hydraulic pressure sensor 7 Cable 5 be connected to data collecting instrument and be delivered to automatic monitoring system, the hydraulic pressure of datum mark and each tested point is examined It surveys, when tested point is gone up and down relative to datum mark, the variation of hydraulic pressure in corresponding 3 tank of fluid reservoir will be caused, pass through measurement The variation of cell pressure, to calculate the lifting amount of each measuring point relative datum point.

The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes Formula is limited.

Claims (10)

1. a kind of differential hydrostatic level, which is characterized in that including at least two fluid reservoirs, one of them described fluid reservoir is Benchmark fluid reservoir, another described fluid reservoir are measuring point fluid reservoir, and each fluid reservoir is provided with one first cavity, and each A hydraulic pressure sensor, first cavity of each measuring point fluid reservoir are provided in first cavity of the fluid reservoir It is attached by first cavity of water service pipe and the benchmark fluid reservoir.

2. differential hydrostatic level according to claim 1, which is characterized in that all fluid reservoirs pass through described Water service pipe is cascaded one by one；The outlet pass that there are two each fluid reservoir settings is connected to first cavity, In outlet pass be water inlet, another described outlet pass is water outlet, the water outlet of the previous fluid reservoir It mouthful is attached by the water inlet of a water service pipe and fluid reservoir described in the latter, first fluid reservoir The water outlet of the water inlet and the last one fluid reservoir is provided with a closing device.

3. differential hydrostatic level according to claim 2, which is characterized in that two outlet passes are set to described On the side wall of fluid reservoir and the Relative distribution of left and right.

4. differential hydrostatic level according to claim 2, which is characterized in that each fluid reservoir is set to one In shell, and there are two respectively through-holes corresponding with the outlet pass for shell setting.

5. differential hydrostatic level according to claim 4, which is characterized in that the shell includes upper housing and bottom Plate, the upper housing are installed on the bottom plate in a manner of it can dismantle, and the upper housing is provided with a bottom opening Second cavity, the bottom plate are used to cover the bottom opening of second cavity, and the fluid reservoir is set to second chamber In vivo；Wherein, the through-hole recessed is formed upwards by the bottom of the side wall of the upper housing.

6. differential hydrostatic level according to claim 2, which is characterized in that the end of the water service pipe connects by one Connection mechanism is attached in a manner of it can dismantle with the outlet pass.

7. differential hydrostatic level according to claim 6, which is characterized in that the bindiny mechanism includes being set to institute It states the first external screw thread of outlet pass, the second external screw thread for being set to the water service pipe and one end and first external screw thread carries out The collar nut that engagement, the other end and second external screw thread are engaged, and between the collar nut and the fluid reservoir It is provided with the first sealing ring.

8. differential hydrostatic level according to claim 1, which is characterized in that the both ends of the water service pipe are wound into spiral shell Revolve shape.

9. differential hydrostatic level according to claim 1, which is characterized in that be provided with a connection on the fluid reservoir Its described intracorporal mounting hole of first chamber, the hydraulic pressure sensor are installed on institute the mounting hole in a manner of it can dismantle It states on fluid reservoir.

10. differential hydrostatic level according to claim 9, which is characterized in that the hydraulic pressure sensor includes sensing Device cap head and sensor probe, the sensor probe are inserted into the fluid reservoir by the mounting hole, the sensor cap Head is set to the outer end of the sensor probe, and the outer end of the sensor probe is provided with third external screw thread, the installation It is provided with the internal screw thread matched with the third external screw thread in hole, and is arranged between the mounting hole and the sensor cap head There is the second sealing ring.